1986740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 4983552

約数和(自身を除く): 2996812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 617, 644, 805, 1234, 1610, 2468, 3085, 3220, 4319, 6170, 8638, 12340, 14191, 17276, 21595, 28382, 43190, 56764, 70955, 86380, 99337, 141910, 198674, 283820, 397348, 496685, 993370, 1986740]

約数ペア:

[(1, 1986740), (2, 993370), (4, 496685), (5, 397348), (7, 283820), (10, 198674), (14, 141910), (20, 99337), (23, 86380), (28, 70955), (35, 56764), (46, 43190), (70, 28382), (92, 21595), (115, 17276), (140, 14191), (161, 12340), (230, 8638), (322, 6170), (460, 4319), (617, 3220), (644, 3085), (805, 2468), (1234, 1610)]